此程序为读写射频卡实例程序，采用VC++编写。-This program is RF card of read and write.

51读写卡程序 实现对射频卡读写 加钱包功能-51 RF card reader program plus a wallet card reader function

acr122u是一款在频率为13.56MHz的射频技术上开发出来的的连机智能卡读写器，符合ISO/IEC18092（NFC）标准。它不仅支持Mifare卡和符合 ISO 14443标准的 A类和B类卡，而且还支持NFC以及FeliCa非接触式技术。(Acr122u is a smart card reader and writer developed in the frequency 13.56MHz radio frequency technology, which is in line wi

可以直接使用的射频操作程序。 基于51单片机的 RC522射频模块。(Radio frequency operating procedures that can be used directly. RC522 RF module based on 51 single chip computer.)